Modern Technology meets Modern Design. MACH4 Technologies Inc. is a contact web & mobile development company based in San Jose, CA. We provide rapid end-to-end product development to get your idea up and running as soon as possible. We use the latest tools and frameworks including React, React Native, HTML5, CSS3, SASS, Redux, Ruby on Rails, Amazon Web Services, Photoshop, Illustrator, and more. We help you realize your vision and provide ongoing support to create products that are a proud representation of your brand.